diff --git a/selfdrive/test/process_replay/.gitignore b/selfdrive/test/process_replay/.gitignore
index a35cd58d41..63c37e64e1 100644
--- a/selfdrive/test/process_replay/.gitignore
+++ b/selfdrive/test/process_replay/.gitignore
@@ -1 +1,2 @@
 fakedata/
+debayer_diff.txt